16) The mass number of an element whose atoms have 12 protons and 13 neutrons is_

a) 12

b) 13c) 25 d) 12.5

If you analyzed each of the substances NaBr, KOH, CrPO4, Pb (OH) 2, RbCl, LiNO3 by mixing them with water in a beaker, which substances would be most likely to fall to the bottom of the beaker?

According to its nutrition label, orange soda contains 49g of sugar per 355 ml serving. if the density of the beverage is 1.043 g/ml, what is the percent sugar concentration in orange soda

Hi, so a couple of months ago my crush asked me out and I said maybe another time, so a month after this happened we had a school dance happening and I heard a rumor that my crush was planning to ask out the same girl that he asked out before (me),

An element with characteristics of a metal and a non-metal

According to the Arrhenius Theory a base reacts with an acid to produce

What is the difference between a 1s orbital and a 2s orbital is that

Why should distilled water be used when conducting chemical tests? Select all that apply. O Distillation removes most chemicals present in tap water that could give us false results.

2. How can you use mass and volume to find density of a substance?

Grayson wants to build an inexpensive shelter at his bus stop that he can stand in when it rains. What material would be best for building a shelter that is both strong and waterproof

A sample of gas has a volume of 0.600 L at a temperature of 303 k. If the volume is increased to 0.900 L, what is the new temperature?